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Finding the Fourth Proportional to 32,353.70, 48,480.05 and 20,482.34

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Solution

The fourth proportional to 32,353.70, 48,480.05 and 20,482.34 is: 30,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,353.70 : 48,480.05 = 20,482.34 : x
  2. Step 2: Convert to fraction form
    32,353.70/48,480.05 = 20,482.34/x
  3. Step 3: Cross multiply
    32,353.70x = 48,480.05 × 20,482.34
  4. Step 4: Simplify right side
    32,353.70x = 992,984,676.12
  5. Step 5: Solve for x
    x = 992,984,676.12/32,353.70
  6. Step 6: Final answer
    x = 30,691.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.